Least number which is the sum of two distinct nonzero squares in exactly n ways.

Terms

a(0) =5a(1) =65a(2) =325a(3) =1105a(4) =8125a(5) =5525a(6) =105625a(7) =27625a(8) =71825a(9) =138125a(10) =126953125a(11) =160225a(12) =1221025a(13) =3453125a(14) =1795625a(15) =801125a(16) =446265625a(17) =2082925a(18) =41259765625a(19) =4005625a(20) =44890625a(21) =30525625a(23) =5928325a(24) =303460625a(25) =53955078125a(26) =35409725a(27) =100140625